Optical Power: 0.43X Time conversion factor of your current lens setting + MACRO Optical system: 3 elemens in 3 groups conversion type Mount system Optics Screw type in front of existing camera lens with 58mm filter thread Multicoated optical elements Capabilities: 174 Degrees circular fisheye capability Full Panoramic shots capable PACKAGE INCLUDED: 1 58mm OPTURA HD Wide Angle Lens + 1 OPTURA HD Micro-Fiber This 0.43x Wide Angle Fish eye Lens with "MACRO" fits right over your existing lens system andMORE THAN DOUBLES your angle of view, allowing you to get twice as much in the picture, include more of the landscape, include more people in group picture, and interiors show more of the room. It also has the separate Macro lens, that can be used for very detailed close up pictures. Truly 3-in-1 photographic solution. Brand New 0.43X Super Wide Panoramic Fisheye Lens with Macro Mounts on any lens with 58mm filter thread - no adapter needed High Resolution Professional Series High-Speed Auto - Focus Compatible Multi Coated Optics Lens System Front thread 62mm for filter mounting Lifetime international guarantee